Cadfan of Cornwall

Cadfan of Cornwall (310-390) was the king of Cornwall from 387 to 390, succeeding Cynan Meiriadog of Brittany and preceding Gwrfawr of Cornwall.

Biography
Cafdan of Cornwall was born in 310. He was the son of Cynan Meiriadog of Brittany, the king of Brittany from 340 to 387 and also the first king of the Kingdom of Cornwall, which was previously a duchy. Cadfan's father died in 387 at the age of 97, while Cadfan reigned for three years before dying at the age of 80. His son Gwrfawr of Cornwall succeeded him.